After I Left the Country, I Discovered That the World Has Entered the Modern Era

Ye Ye traveled through the fantasy world and became invincible. He chose to retreat in order to find the way to become an immortal. Thousands of years later Ye Ye: "System!!! Are you telling me this is a traditional fantasy world?" The system says "Yes... That's right" Ye Ye: "Then what is this?" Ye Ye pointed to the high-rise building in front of him. System "Master... You know, you have been in seclusion for a little long." The realms of this book are divided into: Qi refining stage - body forging stage - foundation building stage - golden elixir stage - Nascent Soul stage - out-of-body stage - distraction stage - integration stage - transcending tribulation stage - Mahayana stage - immortal This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.